El impacto del riego en la calidad del agua de drenaje en una nueva zona regable

Mir, Josep María Villar; Pascual, M.; Rufat, J.; Villar, Pilar Carolina

doi:10.4995/ia.2015.4113

Cited by 5 publications

(5 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Salt loads under sprinkler irrigation from VID were similar to other sprinkler irrigated areas at the Middle Ebro River Basin (between 5 and 7 Mg/ha) without gypsum or salt substrates (Causapé, 2009;CITA-CHE, 2017;García-Garizábal and Causapé, 2010;Villar et al, 2015). Nevertheless, salt loads from other basins under sprinkler irrigation, with gypsum or salt substrate, were around 13-14 Mg/ha (CITA-CHE, 2017;Tedeschi et al, 2001).…”

Section: Salt Inputs and Outputssupporting

confidence: 51%

Hydrosaline Balance in and Nitrogen Loads from an irrigation district before and after modernization

Jiménez-Aguirre

Isidoro

2018

Agricultural Water Management

View full text Add to dashboard Cite

The stress on water resources and the need to maintain water quality and to protect the environment push for an efficient use of natural resources: irrigation water and nutrients (particularly nitrogen). Traditional surface irrigation areas (frequently located on saline materials) use huge amounts of these resources, contributing to the degradation of water bodies by salts and nitrate loads in Irrigation Return Flows (IRF), and also to soil salinization when salt leaching is constrained. In this respect, 1.5 Mha of irrigated lands in Spain have been modernized recently to more efficient systems. Such is the case of the Violada Irrigation District (VID; 4880ha; Northeast Spain) modernized from surface to sprinkler irrigation. The availability of historical data under both irrigation systems in VID offered an ideal scenario to analyze the impact of the modernization process on water consumption and nitrogen management. The analysis was based on the water and salt balances, which showed that irrigation modernization triggered an alteration of the hydrological regime of the VID controlled by the irrigation system. The transformation to sprinkler irrigation resulted in high quality non-diverted water savings of 5536 m 3 /ha•yr (19 hm 3 /yr for the whole VID) available for other uses downstream, triggering a reduction of the IRF from the VID to the Ebro River. In general, the modernization has brought about a clear reduction of all flows in the water balance (except ETa), together with a slight increase in salt and nitrate concentrations in IRF. Both changes entailed a reduction in salt and nitrate loads of 11.5 Mg/ha•yr (44889 Mg/yr;-60.4%) and 82.2 kg N/ha•yr (301 Mg N/yr;-70.4%), respectively. The modernization also resulted in better water use and agronomic indices (drainage fraction, consumptive fraction and irrigation fraction). It was also concluded that at the moment, there is no risk of soil salinization in VID. Hydrosaline Balance in and Nitrogen Loads from an irrigation district before and after modernization.

show abstract

Section: Salt Inputs and Outputssupporting

confidence: 51%

Hydrosaline Balance in and Nitrogen Loads from an irrigation district before and after modernization

Jiménez-Aguirre

Isidoro

2018

Agricultural Water Management

View full text Add to dashboard Cite

show abstract

“…The purpose of such indices is generally to allow comparison between irrigation districts or sub-basins, but it also enables the establishment of a benchmark to know the possibilities of improving irrigation water management. During the studies carried out in others sub-basins of the irrigated area in 2006 and 2008 [34], with less intensive monitoring and monthly data sampling, a DR between a 7% and 18% was estimated. In that study, results showed a drainage discharge during August between 0.11 and 0.396 mm/day, which are lower than the results obtained in the present study.…”

Section: Discussionmentioning

confidence: 99%

Section: Study Area Descriptionmentioning

confidence: 99%

“…The drainage network was built following the natural drainage system existing in the zone previously. Prior studies in irrigation and drainage were carried out during 2006 and 2008, when lower amount of land was irrigated [34]. From a geological point of view, the study area is located in the piedmont zone between the Pre-Pyrenean Mountain system, formed by large mountain ranges and the Tertiary depression, dominated by the Ebro Valley.…”

Section: Study Area Descriptionmentioning

confidence: 99%

See 1 more Smart Citation

Understanding Drainage Dynamics and Irrigation Management in a Semi-Arid Mediterranean Basin

Altés

Bellvert

Pascual

et al. 2022

Water

View full text Add to dashboard Cite

Irrigation is one of the main users of water worldwide and its overuse may affect the natural regimes of water systems. To avoid this, drainage and irrigation management needs to be improved. This study aims to determine the amount of water lost to drainage in a semi-arid Mediterranean irrigated area. Water use, rainfall and drainage were monitored for 12 months (2019–2020) in a 425 ha sub-basin in the Algerri-Balaguer irrigation district (8000 ha, NE Spain). In addition, irrigation requirements were estimated using the single-crop FAO-56 method and a two-source energy balance model (TSEB) was used to estimate actual evapotranspiration in the sub-basin. Water lost to drainage in the sub-basin was estimated as 18% of the total water that entered the perimeter as irrigation and rainfall, which are almost five time higher than theoretical requirements of leaching. Out of the total drainage water, 57% was estimated to be irrigation water and 43% rainwater. The average amount of irrigation water used was 614 mm and irrigation efficiency in the sub-basin was estimated at 80.2% and averaged actual evapotranspiration at 1144 mm. The available margin of improvement is between 19.3% of the present irrigation drainage ratio and the 3.8% estimated with the leaching requirement model.

show abstract

“…Irrigation was performed by sprinklers with presumably good quality water. Physicochemical parameters of the irrigation water used in the area are collected in (Villar Mir et al, 2015). The composition of Fig.…”

Section: Site Description and Experimental Settingmentioning

confidence: 99%

Impact of organic soil amendments in antibiotic levels, antibiotic resistance gene loads, and microbiome composition in corn fields and crops

Sanz

Marta

Tadic

et al. 2022

Environmental Research

View full text Add to dashboard Cite

El impacto del riego en la calidad del agua de drenaje en una nueva zona regable

Cited by 5 publications

References 20 publications

Hydrosaline Balance in and Nitrogen Loads from an irrigation district before and after modernization

Hydrosaline Balance in and Nitrogen Loads from an irrigation district before and after modernization

Understanding Drainage Dynamics and Irrigation Management in a Semi-Arid Mediterranean Basin

Impact of organic soil amendments in antibiotic levels, antibiotic resistance gene loads, and microbiome composition in corn fields and crops

Contact Info

Product

Resources

About